Black Diamond Half Dome Helmet DENIM Small/Medium. Now redesigned the helmet features a new lower profile suspension system with a one-handed dial combined with streamlined headlamp clips for added comfort and simplicity. Finally an updated chin strap adds more efficiency and security while on the rock. Specifications for Black Diamond Half Dome-Helmet: Manufacturer: Black Diamond Gender: Unisex Fabric/Material: Molded EPS foam Features of Black Diamond Half Dome-Helmet:Co-molded EPS foam with low-profile polycarbonate shellLow-profile suspension systemStreamlined lightweight headlamp clipsOne-handed fit adjustment dialEasily adjustable chin strap Package Contents: Black Diamond Half Dome Climbing Helmet Black Diamond BD620209DENMS-M1: Half Dome Helmet DENIM Small/Medium